Abstract: The present invention relates to a compound capable of lowering the flammability of a non-aqueous electrolyte when included in the non-aqueous electrolyte and improving the life properties of a battery by forming an electrode-electrolyte interface which is stable at high temperatures and low in resistance, and relates to a compound represented by Formula I descried herein, a non-aqueous electrolyte solution and a lithium secondary battery both including the compound, n, m, Ak, and X are described herein.

Abstract: Provided is a method and system for providing a representative phrase with respect to a real time popular keyword, which may determine programs including a popular keyword from broadcast information, and may generate a representative phrase with respect to the popular keyword using the determined programs, thereby providing the representative phrase by combining the generated representative phrase and the popular keyword.

Abstract: A method and system for providing a representative phrase corresponding to a real time (current time) popular keyword. The method and system may extend a representative criterion word, determined by analyzing morphemes of words in documents grouped into a cluster, and may combine the extended representative criterion word and the popular keyword, thereby providing the representative phrases. The method and system may display the popular keyword and the representative phrases on a web page, or the like.

Abstract: A computer-implemented charging control method includes determining an expected click count for an advertisement provided on a web page; obtaining a generated click count for the advertisement, using the computer, the generated click count including a number of clicks on the advertisement during a period of time; generating an invoice for the advertisement, based on the expected click count and the generated click count; and transmitting the invoice to an advertiser terminal.

Abstract: Provided is a method and system for providing a representative phrase with respect to a real time popular keyword, which may determine programs including a popular keyword from broadcast information, and may generate a representative phrase with respect to the popular keyword using the determined programs, thereby providing the representative phrase by combining the generated representative phrase and the popular keyword.

Abstract: A method and system for providing a representative phrase corresponding to a real time (current time) popular keyword. The method and system may extend a representative criterion word, determined by analyzing morphemes of words in documents grouped into a cluster, and may combine the extended representative criterion word and the popular keyword, thereby providing the representative phrases. The method and system may display the popular keyword and the representative phrases on a web page, or the like.

Abstract: A method and system for providing an advertisement using a minimum incremental unit are provided. The advertisement providing method includes adjusting a minimum incremental unit based on an initial bid price, an input bid price, and a maximum bid price bid price during an auction. The minimum incremental unit includes a minimum value of increment to be included in a current input bid price in addition to a previously input bid price.

Abstract: A charging method and system for determining an advertising cost according to a unit time are provided. The charging method includes checking a performance index numerically indicating performance of an advertisement; checking a priority index of a next-priority advertisement to the advertisement; and determining an actual charge per unit time of the advertisement based on the performance index, the priority index, and a predetermined weight.

Abstract: Disclosed herein are a method, a system, and a computer-readable recording medium for performing charging for a search advertisement based on a publication ratio thereof.

Abstract: A method, system, and computer-readable recording medium for holding an auction and imposing a charge in relation to a search advertisement are provided. The method includes receiving bid information related to the search advertisement from an advertiser calculating device, the bid information including a search keyword, a posted time of the search advertisement, and a bid price for the search advertisement, determining a posting position and/or a posting order of the search advertisement with respect to a predetermined time slot of the posted time of the search advertisement, based on the bid price corresponding to the time slot, and posting the search advertisement according to the determined posting position and/or the posting order for the predetermined time slot.

Abstract: Disclosed herein are a method and a system for providing an advertisement using a bidding starting price. The method for providing an advertisement includes: determining a bidding starting price for each keyword based on a minimum cost per click for a keyword and the number of expected clicks for the keyword; determining an area in which an advertisement of an advertiser is to be exposed based on a bidding price per unit time input from the advertiser; and providing the advertisement of the advertiser through the area, wherein the bidding price per unit time has a value of the bidding starting price for each keyword or more.

Abstract: Disclosed is a method and system for managing quality of an advertising document. The method of managing document quality may include verifying a number of actual clicks corresponding to a number of clicks that may occur during a predetermined period with respect to at least one document that may exist on the Web, verifying a number of expected clicks corresponding to a number of clicks that may be expected to occur during the predetermined period with respect to the at least one document, and determining a quality management index by which quality of the at least one document may be numerically expressed based on the number of the expected clicks and the number of the actual clicks.

Abstract: A method and system for offering an advertisement by adjusting a bid price per unit time according to advertising traffic are provided. The advertisement offering method includes determining a bid price per unit time based on an average bid price input by an advertiser and advertising traffic, and determining a charge regarding the advertisement of the advertiser based on the bid price per unit time.